1/100 scale. Boeing RC-135U Combat Sent with old engines. Wood Desktop Model. Length: 16.5 inches; Wingspan: 16 inches. The RC-135U Combat Sent is an electronic intelligence reconnaissance and surveillance aircraft in use by the United States Air Force (USAF). It is employed as a Scientific and Technical electronic intgelligence (ELINT) Collection System and designed to collect technical intelligence on adversary systems. The Combat Sent provides strategic electronic reconnaissance information to the president, secretary of defense, Department of Defense leaders, and theater commanders. This handcrafted model is painted in the same paint scheme as the original and is painstakingly built from Philippine mahogany by our skilled craftsmen. Perfect as a gift for any aviation enthusiast and history buff!